diff --git a/update_depot_tools b/update_depot_tools
index f60d87e95..fe36f0b28 100755
--- a/update_depot_tools
+++ b/update_depot_tools
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# Copyright (c) 2011 The Chromium Authors. All rights reserved.
+# Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
@@ -70,7 +70,7 @@ function is_git_clone_repo {
 function update_git_repo {
   if is_git_clone_repo; then
     git fetch -q origin > /dev/null
-    git rebase -q origin > /dev/null
+    git rebase -q origin/master > /dev/null
     return 0
   fi